LM2648
Synchronous Step-Down 3-Channel Switching Regulator Controller (National Semiconductor)
LM26480-Q1
1.5-A Buck Regulators and Dual 300-mA LDO (Texas Instruments)
LM26484
Power Management Unit (Texas Instruments)
LM2640
Dual Adjustable Step-Down Switching Power-Supply Controller (National Semiconductor)
LM2640
Dual Adjustable Step-Down Switching Power Supply Controller (Texas Instruments)
LM26400Y
500-kHz Wide Input Range Buck Regulator (Texas Instruments)
LM26400Y
500kHz Wide Input Range Buck Regulator (National Semiconductor)
LM2641
Dual Adjustable Step-Down Switching Power Supply Controller (National Semiconductor)
LM2641
Dual Adjustable Step-Down Switching Power Supply Controller (Texas Instruments)
LM2642
Two-Phase Synchronous Step-Down Switching Controller (National Semiconductor)